Dam construction



NOV. 3, 19.31. K, KlDD DAM CONSTRUCTION Filed Jan. 27, 19:50

A TTORNEY.

' 7 f at `the topa/naar@ sh-own'as'proviqedwith a 145 Between-the units121 provide unitsior xrnnsoir L" Krim, yEljniicrnnrir;zcinnir'onimr ftions'.

f The generalbrja f af myffinvatigpjg '10i A l' provide afliexible'damvidev a dam, c*onstruijion'l VWhich will with- Stand"earthqiakeshoeksi:and iin"derniining.a

lof independent units.

lspeie objeetfof the invention isutvov rol', vide a dam constructed ofa.plu1"alit y o dependentjinitially:hollow unitslk e ingsyvhereinff Y. vp A Fignl isa fragmentary toppl'an'viewo lya' darn' eons'truetedfinv'acoorda'nee Withmyf- .20 vennen.

" .Fig 52:1 isla seetonfitalenfon linef2i-2-of y characters I have`indicatedmy improved damgenerallyat 10. As sholvvnthiedarn iS@ eyformed of a pluralitytofstaggered'rowsf` 30 hollow CylindersVV orfimitev 12 jWhioh are pref#y l erably madeof concrete andare orined'openY bottomwallla.

- hollowy cylinders ory units 14E 'vsflfiichI arealso 40v smallenunis'sflllL and 'with anyjsuitable ma@y terial Such as puddl'ediolay-fasindicated VatV I ypre'erably fill 'witlsuitable'material aspuddledelayasindicatedatl 1.-

reenforeed vconcrete andare adaptedf-,tof 0"e" cupylgas lmuch of theIspacebetween the-unitsl :g1 2 as'fposslible'-andihe'spaoe therebetween'l This@ inventionj relateffto Adam -constrno rovidfef "a` darn'constructed "offra plurality wana nonper'yious matfnligu'chf pug;dledfclay'as indcatedat'lSl f 'finer-11g remand rear, faces bfihe"aim-i1 y Y K A y ,n l liavefshown 'cylinders 19 which are of'les`s` .lAfurther objeo'tof the invention is to prof"y diameter than thecylinde're or units 12 which. are allsofpre'ferably vmade 'of Concreteand are poeitioned 'partially' between adj ade/'nt'inils"l tro presentaloontinuous zconcrete front on each faefofftherdam. j 1 f''metaldiaphrag'm 20 Which'may Contine the A A I n p' fullwidth andheightof ,thedalnfand which 1 Otherfob'ecsV ofthis invention'willjbe apfV 15vparent frornthe following ydescription taken'- V inf Connectionwith'theaccompanying W4",

is Lpartioularlyadapted to prevent leakage of the storedyvaterb'etweenjhe units 12, One

t-ogetherl'by spaced 2bands` 21 -asshown diagrammatically-in lFig.As'shownfthe cylinders llare secured togetherA longitudinally ofthe damby spaced metal bands or cables: 22 and" diagonally by similarb'ands-23"`a`nd y241. f lh'e arrows inl Fig. 3 in-dioate'thefdireo l t fftionsfinawhicbthe bands Referring to the drawings by ,referenc'ef'--xlnfconstrncting Aa dam aeeordingyto lny' in` ventionitrs deeirabletoezmavate` lint-ilthen I e p' bedrockor'otherimpervious footing is reachn 1 i *Within the'units 121 provide plualityof preferablymade 'of'conereteland are posi-"` tione'd to oocupy as'- "IniiehA 'ofthe spacein the. units 12 as possible.' f The Space in thenni' 12 not-occupied'by the-unite 14v is lledfby Yreachbedo'ckhe *damA may beplaced `on, any

suitablestrafa'.Y Y

In a darn of thisype fhefvarione elements? are free to move yerically`andmore orles's .free to fmove-lat'erally, 'so Athat:earthquaketreniorsr While theyma'y 1 oek 'the"-darnv WillV not cause fa break to?occur therein.' f' f` y On thetop'of the 'down 'streamportionbfthefdamjI preierablyv provide 'anapron 25 Y whichl slopes' frolnthehighestprtion of the'I damto fthe lowest. f' lThe overflow Waoerv passesover thefapronz25ga`nd ydoes not fall froijlr'V- one 1i unit -to J the"other, whichy Wouldl eveniuallygwear the `yfilling--n1aterial oiit ofthe unit and'` frol'n' between Athe I'linitsf f The apron ispreterablyimade of reenforced yconcreteV and is provided with'l amanhole 26 e having acover 27 thereon, or a plurality of the same, sothat any leakageotwaterpast the apron may be allowed to drain-'oft'.-vIn large dams thespace between the apron A25 and the unit-s may beutilizerddasf passage:

ways for workers or even for pedestrians vand vehicles.`

y It isintendedthat the; width ofthe'"baselV shall be greater thantheheightof'thestrucL? ture and the faces ofthe dam beingsteppe'd down,or sloped,.will give ai diverted, or: Y downward thrust to the weightofwater, superimposed kupon it while the lowerface` forms `a,powerfulbrace ,against .pressure.' I The Vunits may .be otdifi'erentshapes; ,they arehere f shown ascylindrical because vof economy of.construction vandi the round formwill allow morepfreedom ofv movementwith less dangerof fracture whilerequiring no more material than a muchsmaller solidtype e VIt is now intended that construction-.ot units andvexcavation proceed simultaneously, 'the excavated material Ybeing placedwithin the larger unitsfwhileany .of the smaller units-desiredare leftunfilled as means of ac'-` cess to the footingfof the dam forgroutingor'v anrnecessaryywork ,lwreo'n.;v r lvhile thisl damisintendedt'o be built in; "the usual arch shapefigtmayV be built inanyv other form by-jarranging groups ofaunits to ac t asbuttresses-Ian'd curtains thereby v'pe/rmittingI its construction inplaces where any othertype' of dam yis; feasible and n no .other ispracticable. r l

t apparent that Ifhav'e provided -ar novel dam constructiorrwhch is'economical to 'construct gether.

, ALx dam construction `'oomprisiii'i alplui-j f rality of: rows-,Lofelongated'members,-said members belng positioned in clojsezprox-imity ton eaChLOther, theregbeing'f vrspaces between 'said' members andfaviill'ing,f insaid space, ani lmpervlousvdiaphragm extending.y acrosssaid dam'rrbetween f adj acentrows-of said-members Y and means tobindsaid'members together. A

35A dam v-constructioh,Comprising a base,

a' plurality of rows fofjelongatedf members' vertically farra'nged onsaid base, Y saidy members being positioned in closeproz'rimityrv to:eachV other, a llingibetween'said members,v ma'l toihold Sad vmembersiin-.assembled fre-'ig latien, said means allowingv verticalland'l lateralffmeremeetbetweenfsaid-members:

even where) From the foregoing" description it will be.`

4. A dam constructiony comprising a plurality of elongated members, saidmembers being positioned in close proximity'to each other,fthere being aspace between said members, the spacebetween said members being lled,and means to band said members to allow vertical shifting vrelativetoieachi. other.

f5 A dem..Construction.comprises a P111- ralityof rows of hollowmembers, said mem- 'bers'being positioned. in close proximity to`each-otller,.saidhollow Vmembers having a lilling therein, hollowmembers positioned betwen'said iirst hollow members, said second hollowmembersbeing filled, the space betweensaid`v first mei'nbers notoccupied' by said, second member vs A being .illed,an imperviousdiapliragmextendingi across said daml betweenadjacent'l rows otysaidvirst hollow members, saidiir'st members beingbanded together ldiagonallyvand lengthwise of said 6. A demY construction comprising a4 pluralityvof rows vof hollowrmemberafsaid mem- Y bers being open at the topandclosed at the bottom, said members being e positioned in closeproximity toeach other, a `plurality-otV Y hollow members in said rsthollow members,

said second vhollow members being filled with a loose material,theispaice in saidiirstnhollow n rmembers.not occupied by1'said secondhollow membersbeing Vfilled, thefspace between said iirst Vmembers beingiilled, said igirstv members being-banded together. .A Y l f A l e v V7.constructionk comprising a'plurality of rows of hollow members,saidmembers-being positioned inA cjlose proximity/,to Y

each other,fa plurality. of hollowmembersin said-first hollow members,saidsecond hollowV members being `,filled withl ay loose material, thespace in said lirst hollownfmembersnot occupied by said second hollowmembers being filled, hollow members positioned between said firstmembers, said third hollow y mem.

bers being lled, the space betweensaid first members not voccupied bysaid third members being sued. .Y

84A dam lconstruetion comprising a plurality of rows of hollow members,said'membersV being ppsitijoned in closel proximity' to each other,a-plurality of hollow members in vsaid iirst hollow: members, said'second hollowY members being filled withy suitable material, the spacein said. iirst holle-wf.'members` not occupied by said second. hollowmembers be- Y ingl ll'eid,V the space between said first meinbers beingfilled,- an impervious. diaphragmk extending across Asaid dam betweenadjacent rows or" first hollow members,1said lirst mem-j Vbers beingbanded togetherdiagonally and l. lengthwise Of'said dam. T f

9. ,-Afdam Vconstruction comprising a plurality ofrows' ofhollowmembers, said members being openiat the top andclosedsat the bottom,said members beingzpositioned in fr j, clpseproximtyfto each atheneplurality of ,hollow members in said first hollow members, y said secondhollow members being filled, they space in said first members notoccupied by said secondhollow members being filled, hol- Alow memberspositioned between said first hollow members, said third hollow membersbeing lilled, the space between said first memy bers not occupied bysaid third members being lled, said iirst members being banded to- V.mglether diagonally and lengthwise of said am.y v

In-teistimony whereof, Inhereunto aHiX my VY'signatlire- Y v KIDDSON L.KIDD.

